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Topic: Burnt relay on dryers control board (Read 9381 times)

I have a Frigidaire Dryer model leq1442es0 that stopped heating so i tore it apart. The thermostat, limiter, and thermistor are good and I have a partly melted wire and relay on the control board. Can someone please tell me what could have caused it?

It was the red wire going to the heater relay. I just got done cleaning the ducts and blower wheel and they weren't bad at all. If it was a surge can't you something cheap before the control board? Also how about just putting in a new relay? They're under 5 dollars at mouser. I've been searching for information about this for the last few days and all I found is buy a board, and nothing about preventing it. I only found one post about someone replacing it and it worked. Thank you for your replies.

Two more things before I get a board. Am I supposed to read any resistance or continuity between the red and red/white going to the contact sensor? I see a transient volt suppressor in parrallel with it. Isn't that a type of resistor? Also what's the point of running #10 to the dryer when everything in the dryer is #14?